Dear Pheonix !
- I move from Version 5.0.24_GA_2692.RHEL5_20101215171125 CentOS5 FOSS edition to 6.0.10_GA_2692.RHEL5_20101215171125 CentOS5 FOSS edition .
- I did not change any infomation in New Server ( hostname ) . I changed ServerOS from 32bit to 32bit .
- Another infomation about Mailbox's log i got

/opt/zimbra/log/mailbox.log)
2010-12-29 06:07:01,284 INFO [btpool0-4189] [ip=27.0.12.31;] soap - AuthRequest
2010-12-29 06:07:01,285 WARN [btpool0-4189] [] log - SSL renegotiate denied: java.nio.channels.SocketChannel[connected local=/27.0.12.31:7071 remote=/27.0.12.31:42432]
2010-12-29 06:07:03,816 INFO [btpool0-4189] [ip=27.0.12.31;] soap - AuthRequest
2010-12-29 06:07:03,817 WARN [btpool0-4189] [] log - SSL renegotiate denied: java.nio.channels.SocketChannel[connected local=/27.0.12.31:7071 remote=/27.0.12.31:42455]
2010-12-29 06:07:05,994 INFO [btpool0-4189] [ip=27.0.12.31;] soap - AuthRequest
2010-12-29 06:07:05,995 WARN [btpool0-4189] [] log - SSL renegotiate denied: java.nio.channels.SocketChannel[connected local=/27.0.12.31:7071 remote=/27.0.12.31:42479]
2010-12-29 06:07:17,511 INFO [btpool0-4189] [ip=27.0.12.31;] soap - AuthRequest
2010-12-29 06:07:17,513 WARN [btpool0-4182] [] log - SSL renegotiate denied: java.nio.channels.SocketChannel[connected local=/27.0.12.31:7071 remote=/27.0.12.31:42563]
2010-12-29 06:07:20,492 INFO [btpool0-4182] [ip=27.0.12.31;] soap - AuthRequest
2010-12-29 06:07:20,493 WARN [btpool0-4182] [] log - SSL renegotiate denied: java.nio.channels.SocketChannel[connected local=/27.0.12.31:7071 remote=/27.0.12.31:42569]
- It's like when i used rsync to backup data , i did'nt stop the Zimbra . Therefore , the session of Mailbox is still working . That's the reason why i couldn't start the service Mailbox ..
THanks all !
BenPham